MSI introduced a 4 GB model of its GeForce GTX 680 Twin Frozr graphics card (model: N680GTX Twin Frozr 4GD5). The card is further available in standard (1006/1058 MHz core/GPU Boost) and OC (1058/1124 MHz core/GPU Boost) variants. The 4 GB of memory, spread across a 256-bit wide memory interface, is clocked at 6008 MHz (GDDR5-effective) on both variants. The card appears to make use of a custom-design PCB by MSI, which draws power from two 6-pin PCIe power connectors, and the company's trusty Twin Frozr III cooling solution, which has been featured on several of its high-end graphics cards. The new 4 GB variants could cost about 20% higher than their 2 GB counterparts.

I know this question can't be answered for obvious reasons (but I'll try anyway ), Neliz, but is MSI working on a 680 Lightning 4GB version? If so are you going to use double density GDDR5 chips or are you going to put the additional chips on the back of the card?

I know this question can't be answered for obvious reasons (but I'll try anyway ), Neliz, but is MSI working on a 680 Lightning 4GB version? If so are you going to use double density GDDR5 chips or are you going to put the additional chips on the back of the card?

Oh don't worry, I fully understand your position mate and to be honest you are a very good rep.

If it is possible though (if it will ever be released of course), just make MSI know that they should stick to the 680 Lightning (2GB) layout as much as possible so it can be fitted with the upcoming Aquacomputer 680 Lightning block

If it is possible though (if it will ever be released of course), just make MSI know that they should stick to the 680 Lightning (2GB) layout as much as possible so it can be fitted with the upcoming Aquacomputer 680 Lightning block

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double density would be the easy way to go as this doesn't require a whole lot of PCB adjustment, as you would have with a different layout.
DD was also the route taking with the 580 Lightning XE

Slightly off-topic XD how comes you have warm exhaust air blowing into your case ?
Would you not get better thermal performance with the rear fan blowing cool air in and your radiator functioning as an exhaust?* ( any other fans should be intake also)

*Heat rises after all so it makes sense to push air out the top of the case rather than having your fans fight against natural convection.